Back End Developer

Backend Developer

Company : Spoki

Location : Barcelona, Spain

We require on-site presence at our San Vito dei Normanni (BR) office one week 4 times / year

Salary Range : €30,000 - €50,000

About Us

Spoki is a Conversational Platform that helps companies build authentic relationships with their customers through WhatsApp and Artificial Intelligence. We believe in the value of genuine connections and provide tools that enable marketing, sales, and customer care teams to communicate in a direct, effective, and personal way.

Our culture is built on four key principles : an unwavering passion for what we do, putting customer success first, working as a united and collaborative team, and approaching challenges with an entrepreneurial and results-driven mindset.

Key Responsibilities

Backend Development :

Design, build, and maintain scalable, high-performance APIs using

Python

and

Django

Contribute to backend services written in

Golang

where performance and concurrency are critical.

Define and optimize

PostgreSQL

schemas, queries, and indexes for efficiency and scalability.

Integrate with third-party APIs and external systems.

Ensure robust authentication, authorization, and data protection mechanisms.

Cloud Infrastructure & DevOps :

Manage and optimize

AWS

environments (EC2, Lambda, RDS, S3, API Gateway, ECS).

Automate deployments using

CI / CD pipelines

(GitHub Actions, AWS CodeBuild, or similar).

Apply

infrastructure-as-code

practices (Terraform, CloudFormation).

Monitor, log, and troubleshoot distributed systems in production environments.

AI-Driven Development (Vibe Coding) :

Work closely with AI coding assistants to generate, refactor, and maintain production-ready code — with at least

75% of development AI-assisted

Focus on

architecture, orchestration, and review

rather than manual coding.

Design effective prompts, validate AI-generated code, and ensure compliance with performance and security standards.

Help evolve our internal

“Vibe Coding”

workflows and best practices for human–AI collaboration.

Collaboration & Quality :

Collaborate cross-functionally with frontend developers, designers, and product owners.

Participate in code reviews and architectural discussions.

Write clean, maintainable, and well-tested code aligned with project goals.

Must To Have

Experience :

3+ years in backend development with production-grade systems.

Languages :

Strong proficiency in

Python

and

Django

, with working knowledge of

Golang

Databases : Experience with

PostgreSQL

, query optimization, and migrations.

APIs :

Proven experience designing and consuming RESTful APIs.

Cloud :

Solid understanding of

AWS services

(EC2, Lambda, RDS, S3, etc.).

DevOps : Experience with

Docker

, CI / CD, and infrastructure automation.

Testing :

Familiarity with testing frameworks (PyTest, unittest).

Collaboration :

Strong communication and teamwork in Agile environments.

Nice to Have

AI & Automation Tools :

Experience using

Cursor

Windsurf

GitHub Copilot

, or other AI-assisted development tools.

Prompt Engineering :

Ability to craft effective prompts for AI code generation, debugging, and optimization.

Cloud-Native Mindset :

Experience with

serverless architectures

(AWS Lambda, Fargate) and

Terraform

Performance Optimization :

Understanding of concurrency, async processing, caching, and load balancing.

Security Awareness :

Knowledge of OAuth2, JWT, and best practices for secure API design.

Monitoring & Logging :

Experience with

Grafana

Prometheus

, or

AWS CloudWatch

Open Source :

Contributions or side projects showcasing backend, AI, or automation expertise.

Multilingual Environment :

Comfortable working in an international, English-first team with async communication.

Work Policy for Barcelona

This is a on site position based at the Aticco Bogatell coworking space in Barcelona.

Employees working from the Barcelona office must spend 1 full week at the San Vito dei Normanni (Italy) office every 3 months (i.e., at least 4 times per year).

The travel schedule will be defined in agreement with the manager.

Expenses : 100% of travel and accommodation expenses are reimbursed by Spoki.

What we offer

Be part of building a cutting-edge Conversational Commerce platform poised for global expansion.

Competitive compensation

Work with an international, passionate, supportive, and talented team dedicated to excellence.

The latest Apple MacBook Pro and all necessary tools.

Career Levels : continuous growth with clear key points to help you design your personal and professional development in the direction you desire

Permanent, full-time contract.

Regular team-building events and celebrations.

Access to cutting-edge technologies and resources to stay at the forefront of engineering and innovation.